问如何在showDatePicker()和showTimePicker()中去除灰色背景EN老孟导读：Flutter系统提供了一些日期选择类组...
For your problem is very clear that showDatePicker with ModalRoute.of(context) trigger the rebuild, and you did not make the AccordionWidget immutable, so flutter think that it should be rebuilt every time the parent is rebuilding. Alsol, accordion library will reset the isOpen by default as ...